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International GPS User Support

The U.S. Coast Guard Navigation Center (NAVCEN) is the designated point of contact within the U.S. government for GPS user support to civilians outside the United States, including international civil aviation users.

NAVCEN disseminates information to the public about GPS operations, including constellation status, service degradations and outages, and known interference events.

If you are a civilian user experiencing problems with the GPS satellite service (e.g., outages or interference), please report the issue to NAVCEN.

NAVCEN also administers the Civil GPS Service Interface Committee (CGSIC) on behalf of the Department of Transportation. CGSIC includes an International Information Subcommittee that convenes regularly at locations throughout the world.
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This page was last modified on June 13, 2017.
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